SICK DFS60S-S4OC01024 SIL2 Safety Encoder Sin/Cos

SICK DFS60S-S4OC01024 Safety Encoder – SIL2 Sin/Cos Incremental Feedback

The SICK DFS60S-S4OC01024 safety encoder is a precision incremental safety encoder with Sin/Cos output, engineered for safety-relevant motion monitoring in industrial automation. Designed to meet SIL2 and PL d requirements, it ensures dependable detection of position, speed, and direction in systems where encoder feedback is part of the safety function. With 1,024 Sin/Cos periods per revolution and safety-rated angular accuracy, this model addresses the core challenge of combining functional safety with high-resolution feedback in compact rotary encoder designs used on motors, axes, and rotating machinery.

The SICK DFS60S-S4OC01024 delivers safety-certified feedback without adding complexity to machine design. Its safety-oriented internal architecture supports reliable fault detection while maintaining smooth, high-resolution Sin/Cos signals for precise motion evaluation. The solid shaft construction, IP65 protection, and rugged aluminum housing allow stable operation under vibration, shock, and wide temperature ranges. In real-world applications, this translates into safer machine operation, reduced risk of unexpected motion, and easier compliance with international safety standards, all while maintaining consistent performance over long service life in demanding industrial environments.

Why SICK DFS60S-S4OC01024?

The SICK DFS60S-S4OC01024 is chosen when machine safety and motion accuracy must coexist without compromise. It delivers safety-certified rotary feedback while preserving smooth, high-resolution Sin/Cos signals for precise control. This encoder allows engineers to design compact, efficient safety architectures that meet stringent standards without adding redundant components. Built by SICK, it reflects proven reliability, long service life, and consistent performance in harsh industrial conditions where uptime, compliance, and operator protection are equally critical.

What problem does it solve?

The DFS60S-S4OC01024 solves the challenge of safely monitoring rotary motion in applications where uncontrolled speed or position can create serious hazards. Conventional encoders may offer accuracy but lack safety certification, forcing complex system designs. This model integrates safety-rated position feedback directly into the motion loop, enabling reliable detection of unsafe movement. As a result, machines can stop or react correctly before danger escalates, reducing risk, simplifying safety validation, and supporting compliant operation in demanding automated environments.

Key Features & Specifications – SICK DFS60S-S4OC01024 : Part Number 1069519

Feature	Details	Benefit
Safety Certification	SIL 2 (IEC 61508), SILCL2 (IEC 62061), PL d, Category 3	Enables use in safety-critical motion monitoring and compliant machine safety designs
Encoder Type	Incremental safety encoder with Sin/Cos output	Combines functional safety with high-resolution analog feedback
Resolution	1,024 Sin/Cos periods per revolution	Supports precise speed and position evaluation in dynamic motion systems
Safety-Related Accuracy	±0.09°	Ensures reliable detection of hazardous motion with high angular precision
Safety Measuring Step	0.09° with quadrature analysis	Improves fault detection and safety response accuracy
Signal Interface	Differential Sin/Cos, 1.0 VSS, 6-channel	Provides noise-resistant signal transmission for stable control performance
Reference Signal	1 reference pulse, electronically gated	Enables accurate homing and synchronization
Output Frequency	Up to 153.6 kHz	Supports high-speed rotary applications without signal loss
Supply Voltage Range	4.5 … 32 V DC	Flexible integration across various control and drive systems
Mechanical Design	Solid shaft, face mount flange	Simple and secure mounting on motors and rotating shafts
Shaft Diameter	10 mm with flat	Ensures reliable torque transmission and alignment
Housing Material	Aluminum die-cast	High mechanical strength with excellent heat dissipation
Protection Rating	IP65 (with mating connector)	Reliable operation in dusty and washdown industrial environments
Operating Temperature	–30 °C to +95 °C	Suitable for harsh and high-temperature industrial settings
Shock & Vibration Resistance	100 g shock, 30 g vibration	Maintains accuracy and safety in demanding mechanical conditions
Max. Operating Speed	Up to 9,000 rpm	Supports fast rotating machinery and dynamic motion profiles
Bearing Lifetime	Up to 3.6 × 10⁹ revolutions	Long service life, reducing maintenance and downtime
EMC Compliance	Industrial EMC standards	Stable and interference-resistant operation in automated systems

Download SICK DFS60S-S4OC01024 (1069519) Datasheet

Commercial Information – SICK DFS60S-S4OC01024 (Part No. 1069519)

Commercial Data	Details
EAN Number	4047084348495
Weight	0.292 kg
Country of Origin	Germany

The Applications of the SICK DFS60S-S4OC01024 Safety Encoder

1. High-Speed Packaging Machine Axis Monitoring
In automated packaging equipment, servo motors control sealing units, indexing tables, and transport mechanisms that move at high speed. The SICK DFS60S-S4OC01024 is mounted on the drive shaft to continuously supervise rotational speed and direction. Its SIL2 and PL d capability allows the safety controller to verify safe motion during setup, cleaning, and manual intervention modes. High-resolution Sin/Cos signals maintain stable feedback during rapid acceleration, preventing false safety trips. This enables operators to work efficiently near the machine while maintaining certified safety performance and reducing unplanned production stops.

2. Industrial Robot Joint Motion Supervision
Robotic arms used in assembly and material handling rely on precise joint control to avoid hazardous movement. The DFS60S-S4OC01024 is installed at individual robot axes to provide safety-rated rotational feedback. Its fine angular accuracy allows reliable monitoring of reduced-speed and safe-direction functions during teaching or maintenance modes. Even under continuous dynamic loads, the encoder maintains signal stability thanks to its rugged mechanical design. This helps machine builders achieve compliant robot safety concepts without sacrificing smooth motion, positioning accuracy, or overall cycle efficiency.

3. Safety Monitoring of Conveyor Drive Motors
Large automotive conveyor systems operate close to personnel during assembly and inspection processes. The DFS60S-S4OC01024 is used on conveyor motors to verify that speed and direction remain within defined safety limits. If abnormal motion or unintended reversal occurs, the safety system can immediately initiate a controlled stop. Differential Sin/Cos signals ensure reliable feedback even with long cable runs across factory floors. This approach improves worker safety during maintenance and line changes while keeping conveyor throughput consistent and predictable.

4. Mixer and Agitator Speed Supervision
In process industries such as chemical or food production, mixers and agitators present significant risk if overspeed occurs during operation or cleaning. The DFS60S-S4OC01024 is coupled to the rotating shaft to deliver continuous, safety-certified speed monitoring. Its IP65-rated housing and wide temperature tolerance support reliable operation in environments with heat, moisture, and vibration. Accurate detection of unsafe rotational states allows the control system to stop motion before damage or injury happens, improving plant safety while maintaining controlled and repeatable process conditions.

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